diff --git a/app/ui/mainview.py b/app/ui/mainview.py
index 5dfd830..7c5e11e 100644
--- a/app/ui/mainview.py
+++ b/app/ui/mainview.py
@@ -350,18 +350,7 @@ class MainWinController(QMainWindow, mainwindow.Ui_MainWindow, QCursorGif):
 
     def set_my_info(self, wxid):
         self.avatar = QPixmap()
-        try:
-            img_bytes = misc_db.get_avatar_buffer(wxid)
-        except:
-            logger.error(f'数据库错误:\n{traceback.format_exc()}')
-            QMessageBox.critical(self, "数据库错误", "请重启电脑后重试")
-            close_db()
-            import shutil
-            try:
-                shutil.rmtree(DB_DIR)
-            except:
-                pass
-            return
+        img_bytes = misc_db.get_avatar_buffer(wxid)
         if not img_bytes:
             return
         if img_bytes[:4] == b'\x89PNG':
@@ -377,7 +366,7 @@ class MainWinController(QMainWindow, mainwindow.Ui_MainWindow, QCursorGif):
                 shutil.rmtree(DB_DIR)
             except:
                 pass
-            QMessageBox.critical(self, "数据库错误", "请重启电脑后重试")
+            QMessageBox.critical(self, "数据库错误", "数据库错误，请删除app文件夹后重启电脑再运行软件")
             return
         me = Me()
         me.set_avatar(img_bytes)
diff --git a/app/ui/tool/pc_decrypt/pc_decrypt.py b/app/ui/tool/pc_decrypt/pc_decrypt.py
index 4ee5ab3..b0fb6de 100644
--- a/app/ui/tool/pc_decrypt/pc_decrypt.py
+++ b/app/ui/tool/pc_decrypt/pc_decrypt.py
@@ -229,11 +229,11 @@ class DecryptThread(QThread):
                         tasks.append([self.key, inpath, output_path])
                     else:
                         try:
-                            name,suffix = file.split('.')
+                            name, suffix = file.split('.')
                             if suffix.startswith('db_SQLITE'):
                                 inpath = os.path.join(root, file)
                                 # print(inpath)
-                                output_path = os.path.join(output_dir, name+'.db')
+                                output_path = os.path.join(output_dir, name + '.db')
                                 tasks.append([self.key, inpath, output_path])
                         except:
                             continue
@@ -250,17 +250,9 @@ class DecryptThread(QThread):
         import shutil
         if os.path.exists(target_database):
             os.remove(target_database)
-        try:
-            shutil.copy2(os.path.join(DB_DIR, 'MSG0.db'), target_database)  # 使用一个数据库文件作为模板
-        except FileNotFoundError:
-            logger.error(traceback.format_exc())
-            self.errorSignal.emit(True)
+        shutil.copy2(os.path.join(DB_DIR, 'MSG0.db'), target_database)  # 使用一个数据库文件作为模板
         # 合并数据库
-        try:
-            merge_databases(source_databases, target_database)
-        except FileNotFoundError:
-            logger.error(traceback.format_exc())
-            QMessageBox.critical("错误", "数据库不存在\n请检查微信版本是否为最新")
+        merge_databases(source_databases, target_database)
 
         # 音频数据库文件
         target_database = os.path.join(DB_DIR, 'MediaMSG.db')
@@ -268,17 +260,10 @@ class DecryptThread(QThread):
         if os.path.exists(target_database):
             os.remove(target_database)
         source_databases = [os.path.join(DB_DIR, f"MediaMSG{i}.db") for i in range(1, 50)]
-        try:
-            shutil.copy2(os.path.join(DB_DIR, 'MediaMSG0.db'), target_database)  # 使用一个数据库文件作为模板
-        except FileNotFoundError:
-            logger.error(traceback.format_exc())
-            self.errorSignal.emit(True)
+        shutil.copy2(os.path.join(DB_DIR, 'MediaMSG0.db'), target_database)  # 使用一个数据库文件作为模板
+
         # 合并数据库
-        try:
-            merge_MediaMSG_databases(source_databases, target_database)
-        except FileNotFoundError:
-            logger.error(traceback.format_exc())
-            QMessageBox.critical("错误", "数据库不存在\n请检查微信版本是否为最新")
+        merge_MediaMSG_databases(source_databases, target_database)
         self.okSignal.emit('ok')
         # self.signal.emit('100')
 
@@ -294,7 +279,7 @@ class MyThread(QThread):
         pass
 
     def get_bias_add(self, version):
-        url = urljoin(SERVER_API_URL,'wxBiasAddr')
+        url = urljoin(SERVER_API_URL, 'wxBiasAddr')
         data = {
             'version': version
         }
diff --git a/app/ui/tool/setting/setting.py b/app/ui/tool/setting/setting.py
index 028b938..26a7e59 100644
--- a/app/ui/tool/setting/setting.py
+++ b/app/ui/tool/setting/setting.py
@@ -122,11 +122,11 @@ class SettingControl(QWidget, Ui_Form):
                 f.write(stopwords)
         if os.path.exists('./app/data/new_words.txt'):
             with open('./app/data/new_words.txt', 'r', encoding='utf-8') as f:
-                stopwords = set(f.read().splitlines())
+                new_words = set(f.read().splitlines())
                 self.plainTextEdit_newword.setPlainText(' '.join(new_words))
         else:
             self.plainTextEdit_newword.setPlainText(' '.join(new_words))
-            stopwords = '\n'.join(stopwords)
+            stopwords = '\n'.join(new_words)
             with open('./app/data/new_words.txt', 'w', encoding='utf-8') as f:
                 f.write(stopwords)